Home / 72,157,097.10-108,235,645.65-33,893,345.10

Finding the Fourth Proportional to 72,157,097.10, 108,235,645.65 and 33,893,345.10

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Solution

The fourth proportional to 72,157,097.10, 108,235,645.65 and 33,893,345.10 is: 50,840,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,157,097.10 : 108,235,645.65 = 33,893,345.10 : x
  2. Step 2: Convert to fraction form
    72,157,097.10/108,235,645.65 = 33,893,345.10/x
  3. Step 3: Cross multiply
    72,157,097.10x = 108,235,645.65 × 33,893,345.10
  4. Step 4: Simplify right side
    72,157,097.10x = 3,668,468,090,136,764
  5. Step 5: Solve for x
    x = 3,668,468,090,136,764/72,157,097.10
  6. Step 6: Final answer
    x = 50,840,017.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.